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    CVE-2021-21187

    Insufficient data validation in URL formatting in Google Chrome prior to 89.0.4389.72 allowed a remote attacker to perform domain spoofing via IDN homographs via a crafted domain name.

    Published:Mar 9, 2021
    Last Modified:Nov 21, 2024
    EPS:Mar 9, 2021
    EPSS Score:0.00926
    CVSS Score:4.3

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Google
    Product
    Chrome

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    https://chromereleases.googleblog.com/2021/03/stable-channel-update-for-desktop.html
    https://crbug.com/1155516
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BBT54RKAE5XLMWSHLVUKJ7T2XHHYMXLH/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FE5SIKEVYTMDCC5OSXGOM2KRPYLHYMQX/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LCIDZ77XUDMB2EBPPWCQXPEIJERDNSNT/
    https://security.gentoo.org/glsa/202104-08
    https://www.debian.org/security/2021/dsa-4886
    https://chromereleases.googleblog.com/2021/03/stable-channel-update-for-desktop.html
    https://crbug.com/1155516
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BBT54RKAE5XLMWSHLVUKJ7T2XHHYMXLH/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FE5SIKEVYTMDCC5OSXGOM2KRPYLHYMQX/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LCIDZ77XUDMB2EBPPWCQXPEIJERDNSNT/
    https://security.gentoo.org/glsa/202104-08
    https://www.debian.org/security/2021/dsa-4886

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High